aDivision of Pain Medicine, Department of Anesthesiology

bDivision of Pulmonary, Allergy, Critical Care & Sleep Medicine, Department of Medicine

cDepartment of Dermatology, Emory University School of Medicine, Atlanta, Georgia

dNovartis Pharmaceuticals, East Hanover, New Jersey, USA

Correspondence to Merin E. Kuruvilla, MD, 1109 Lenox View NE, Atlanta, GA 30324, USA. E-mail: [email protected]